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International on Earthquake & Tsunami Disaster Reduction...
Transcript of International on Earthquake & Tsunami Disaster Reduction...
International Symposium on Earthquake & Tsunami Disaster Reduction, March 14-15, 2012, Sendai, Japan
E h t f th k dE h t f th k dEnhancement of earthquake and Enhancement of earthquake and volcano monitoring in the volcano monitoring in the gg
Philippines: Philippines:
Progress report and strengthening Progress report and strengthening of tsunami component of theof tsunami component of theof tsunami component of the of tsunami component of the
projectproject
Hiroshi INOUEHiroshi INOUENIEDNIED
Hiroshi INOUEHiroshi INOUENIEDNIEDNIEDNIEDNIEDNIED
Earthquakes and Volcanoes in the PhilippinesP t l th k ( lt ) 1954P t l th k ( lt ) 1954Past large earthquake(casualty) 1954 Past large earthquake(casualty) 1954 M8.3 Bacon, M8.3 Bacon, SorsogonSorsogon(13)(13)1955 M7.5 1955 M7.5 LanaoLanao (291)(291)
Philippine Sea Plate
Eurasia Plate
1968 M7.3 1968 M7.3 CasiguranCasiguran (270)(270)1970 M7.3 Baler (15)1970 M7.3 Baler (15)1976 M7.9 Moro Gulf (3,739)1976 M7.9 Moro Gulf (3,739)
7‐8cm/yr
1990 M7.8 Luzon (1,283)1990 M7.8 Luzon (1,283)1994 M7.1 Mindoro (831994 M7.1 Mindoro (83))
Taal V l
Mayon Volcano
Volcano
P l i ( l i )P l i ( l i )P l i ( l i )P l i ( l i )Past large eruptions(casualties)Past large eruptions(casualties)1911 1911 TaalTaal (1300)(1300)1948 1948 HibokHibok‐‐HibokHibok(68)(68)
Past large eruptions(casualties)Past large eruptions(casualties)1911 1911 TaalTaal (1300)(1300)1948 1948 HibokHibok‐‐HibokHibok(68)(68)1965 1965 TaalTaal (190)(190)1991 Pinatubo(870)1991 Pinatubo(870)1993 1993 MayonMayon(77)(77)
1965 1965 TaalTaal (190)(190)1991 Pinatubo(870)1991 Pinatubo(870)1993 1993 MayonMayon(77)(77)yy ( )( )yy ( )( )
Modern earthquake and volcano network was established by the Japanese Grant‐Aidwas established by the Japanese Grant Aid
project in 1999 and 2002
29 VSAT short‐period seismometers
34 manned earthquake observatories (off‐line, short period, broadband, SMS)
3 wireless telemetry short period x 6 volcanoes6 Volcano Observatories
Data Processing Center Manual Analysis
5555
The 1st Joint Coordination Meeting and Kick‐off WorkshopFebruary 2010, at PHIVOLCS, Manila
Signing of PHIVOLCS‐NIED MoU
y
1. Real‐time earthquake monitering1.1 Advanced earthquake source determination system
2006/7/17 Off‐JawaMw7.5
SWIFT source inversion by NIED
Underestimate M of large EQ.
SP sensor is sensitive only to short period ground motions
2006/7/17 Off Jawa Mw7.5More than 600 casualties
By TsunamiBroadband seismometer can records large
h k i l
USGS(9.22S, 107.32E, 33km)
earthquakes precisely
Harvard CMT(10.28S, 107.82E, 20km)
SP sensor saturates by large earthquake
Difficult for tsunami warning
Automated analysis of source time function
→Discriminate Tsunami‐EQStrong motion sensor does not saturateStrong motion sensor does not saturate
More precise information of the p
source of large earthquakesStrong motion sensor does not saturate
Installation of broadband seismometers, Nov.‐Dec., 2010
Installation of broadband seismometers, Nov.‐Dec., 2010
Broadband
, ,, ,
Strongmotion
Strongmotion (Titan) Broadband (T240) The Team in Virac
Rapid Earthquake Intensity Notification System100 Locations at Local Government Building/PHIVOLCS obs.a a a G g/ S
40 nationwide as the 2nd experiment 30 in Luzon as the 2nd experiment 30 in Manila as the1st experiment
1500kmx1500km1500kmx1500km 200kmx200km200kmx200km 30kmx30km30kmx30km
Marikina City Government
Test run in PHIVOLCSTest run in PHIVOLCSTest run in PHIVOLCSTest run in PHIVOLCS
Rapid Damage Estimate:Utilization and enhancement of REDAS
REDAS (Rapid Earthquake Damage Assessment System) Developed by PHIVOLCS(2002-)
・Hazard estimation(Gound motion, Liquefaction, Landslide, Tsunami), q , ,・Promotion of utilization is ongoing by PHIVOLCS
・Enhance REDAS to Real-time REDAS by PHIVOLCS in this project
PGA/PGV=>> PGA/PGV=>> IntensityIntensityIntensityIntensity
LiquefactionLiquefaction
TsunamiTsunami
2. Evaluation of earthquake generation potential
Mindanao
Frequent occurrence of largeFrequent occurrence of large earthqukaes⇒Need to evaluate the potential
Currrently
Inland Earthquake
Philippin Fault in Mindanao
・Fault-generated topographyGPSGPS観測点観測点
Fault generated topography・Quescense
Subduction earthquakes
GPSGPS観測点観測点
Subduction earthquakes
Philippine Trench, Cotabato Trench
・Large events in the pastN l t i t・No large events in recent years
対象領域
Evaluation of Earthquake Generation PotentialEvaluation of Earthquake Generation Potential
2. Evaluation of earthquake generation potential
Philippine Trench
Cotabato Trench Philippine Fault
Evaluation of Earthquake Generation PotentialEvaluation of Earthquake Generation Potential
Coupling Model Coupling Model
Geological andGeomorphologocal Terrace structureTerrace structure Fault TrenchingFault Trenching
Reccurence time and Magnitude Reccurence time and Magnitude, Fault segment
GeomorphologocalApproach
Terrace structureTerrace structureTsunami depositTsunami deposit
Strain accumulation processPlate velocity and coupling
Fault TrenchingFault TrenchingTopographyTopography
GeophisicalApproach
Strain accumulation process
GPS Campaign and Continuous GPS Campaign and Continuous b tib ti
Plate velocity and coupling
Approachobservationsobservations
GPS Campaign Observations March 2010GPS Campaign Observations March 2010•
3. Integrated real‐time volcano monitoring
MayonMayonTaalTaal
Activities in the past
MayonMayonTaalTaal
Erupting every 10-20 years, but no
ti i 1977
Continuous activities since
eruption since 1977.
Ready to erupit.
activities since 2003
ManilaTaal volcano
VSATBroadband seismic monitoring of underground magma movementsunderground magma movements
Infrasound observation for detection and size estimation of eruptionsand size estimation of eruptions
GPS observations for estimation of deformation and pressure sourcep
Electromagnetic observations to monitor thermal structure
Broadband/Infrasound, GPS, Electromagnetic
Broadband only
CCD Live cam
Satellite telemetry to Manila
Installation of a system of ycomprehensive monitoring of the
precursors
Installation of Seismic & Installation of Seismic & Infrasound sensors in TaalInfrasound sensors in Taal
Broadband Seismometer
Infrasound sensor
船で移動・運搬 Solar Panel
Installation of GPS and Installation of GPS and EM sensors in TaalEM sensors in Taal
D t l
Fluxgate magnetometer
Data logger
GPSData logger Overhauser
magnetometer
MayonMayon VolcanoVolcanoManilaManilaBroadband seismic monitoring of underground
magma movements
Infrasound observation for detection and sizeInfrasound observation for detection and size estimation of eruptions
CCD Live cam
Satellite telemetry to ManilaSatellite telemetry to Manila
4.1 Development of disaster mitigation p ginformation portal site
Source Tsunami
Intensity est.
Provide a gateway to
Intensithymeasureme
nt Precursor
太い回線
Provide a gateway to earthquake and
volcano information to
+ PHIVOLCS’s internal information sharing
everyone
information sharingSeismicity/Crustal Mov.
Live camSimple seismic
diagnesis
Survey of non‐engineered houses for Developing Seismic Diagnosis for Everyone
Survey of non‐engineered houses for Developing Seismic Diagnosis for EveryoneDeveloping Seismic Diagnosis for EveryoneDeveloping Seismic Diagnosis for Everyone
Panpanga
Panpanga
Panpanga
Mindanao
Makati MindanaoMarikina
February , 2011, in Tsukuba Japan
Full scale shaking table experiment ofFull‐scale shaking table experiment of Philippine CHB masonry housespp y
Promotion of utilization of the portal site
Holding Seminars forNDCC membersNDCC membersLocal governmentCommunities
Capacity Building through Provision and Training on the Use of a Hazard and RiskCapacity Building through Provision and Training on the Use of a Hazard and RiskTraining on the Use of a Hazard and Risk
Assessment Software (REDAS)Training on the Use of a Hazard and Risk
Assessment Software (REDAS)
Construction of Web portal of Earthquake and Volcano Disaster Information
as Scientific Basis of Disaster Reduction Polity of the Philippines
Scenario Earthquake
and Expected Intensities
Construction of Real‐time Earthquake and Volcano Monitoring Information
System and Assisting Earthquake and Tsunami Damage Estimate
100%100%100%100%
and Expected Intensities System and Assisting Earthquake and Tsunami Damage Estimate
REDASl
Evaluating Nationwide
Construction of Real‐time Integrated Magnitude
Utilization and Campaign
80%80%80%80%
RealtimeGround motion
Estimation
Nationwide NetworkCoupling
and Strain Accumulati
on
Volcano Monitoring System
Estimation
Magnitude
and
Reccurence
Period of
Large Evaluating
60%60%60%60%
Automated
Source
A l i
Estimation of Earthquake and Pressure Sources
Estimation of Heat Sources
Large
EarthquakeMetro ManilaNetwork
Seis
mic
Web System
40%40%40%40%Analysis
System Developme
nt of
Real‐time
Fault
Excavation
and
Broadband Seismic
Telemetry
GPSTelemetry
and
Electromagnetic
Telemetry
mic
Diag
nosi
s
Syst
GPS
Campaign
and Installing
Broadband
Seismomet
ers
Earthquake
Intensity
Monitoring
System
Tsunami
Deposit/
Coastal
Terraces
Telemetry and
Analysis System
and Analysis
System and SAR
Telemetry and
Analysis System
Syst
emPortal
Content
20%20%20%20%Continuous
Observatio
n and
Analysis
Earthquake MonitoringEarthquake Potential Volcano Monitoring Disaster Info.
0%0%0%0%
h fh f
After March 11, 2011 Great East Japan Earthquake
Strengthening of Tsunami ComponentStrengthening of Tsunami ComponentSeismic and Sea LevelSeismic and Sea Level
Monitoring( ) S l
Forecasting and Dissemination
(1) Sea Level Monitoring
Dissemination(2) JMA’s advisor
People’s Awareness Evacuation Plan and DrillPeople s Awareness, Evacuation Plan and Drill(3) Video Interviews of Phillippino Victims
Sea Walls Evacuation BuildingsSea Walls, Evacuation Buildings
Video Interviews with Filipino victims of the Great East Japan Earthquakeof the Great East Japan Earthquake
Strengthening PIVOLCS’s Tsunami ForcastingStrengthening PIVOLCS s Tsunami Forcastingand Decision Making System
ith JMA’ Ad iwith JMA’s Advisory
JMA PHIVOLCSJMA PHIVOLCS
Sea Level Monitoring for the Last Minutes T i W i f Ci i i B ATsunami Warning for Cities in Bay Areas
Thank you very muchThank you very much